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Towards a cryogen-free table-top primary resistance standard
National Phys Lab, England.
National Phys Lab, England.
National Phys Lab, England.
National Phys Lab, England.
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2016 (English)In: 2016 CONFERENCE ON PRECISION ELECTROMAGNETIC MEASUREMENTS (CPEM 2016), IEEE , 2016Conference paper (Refereed)
Abstract [en]

We demonstrate quantum Hall resistance measurements with metrological accuracy in a small cryogen-free system operating at a temperature of around 3.8 K and magnetic fields below 5 T. We use this system to investigate the optimisation of graphene/SiC devices for maximum breakdown current. In addition we report the first characterisation of a cryogen-free cryogenic current comparator which enables entirely cryogen-free primary resistance metrology.

Place, publisher, year, edition, pages
IEEE , 2016.
Keyword [en]
quantum Hall effect; graphene; primary resistance metrology; cryogenic current comparators
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-132237DOI: 10.1109/CPEM.2016.7540654ISI: 000383955100203ISBN: 978-1-4673-9134-4OAI: oai:DiVA.org:liu-132237DiVA: diva2:1039391
Conference
Conference on Precision Electromagnetic Measurements (CPEM)
Available from: 2016-10-24 Created: 2016-10-21 Last updated: 2016-10-24

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Yakimova, Rositsa
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Semiconductor MaterialsFaculty of Science & Engineering
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